The next palindromic years are going to be 2112 and 2222. There is a 100 year difference between the two.
There are 90 palindromic numbers between 100 and 1000
11000
1100
12321, 54345, 10101, 42124, 81718 etc....
The next palindromic years are going to be 2112 and 2222. There is a 100 year difference between the two.
There are not just 13 non-palindromic numbers. Most numbers are non-palindromic.
There are 90 palindromic numbers between 100 and 1000
11000
1100
No.
Nobody went out to create them: some numbers simply happen to be palindromic and others don't.
{141, 444}, {232, 353} are two possible sets.
12321, 54345, 10101, 42124, 81718 etc....
No.
777717711771817718817...
infinite